White 18-400 Closed-Top Screw Caps with PTFE/Silicone Septa
SKU IL-011223-00221
£16.00
inc. VAT
£13.33
ex. VAT
Shipping calculated at checkout.
Material
Polypropylene
Quantity per Pack
Pack of 100
Cap Size / Thread
18-400
Closure Type
Screw Cap
Colour
White
Cap Top Style
Closed Top
Cap Style
Ribbed
Septa Material
Natural PTFE/white silicone
Technical Specifications +
| Product Type | Screw Cap |
| Material | Polypropylene |
| Quantity per Pack | Pack of 100 |
| Cap Size / Thread | 18-400 |
| Closure Type | Screw Cap |
| Colour | White |
| Cap Top Style | Closed Top |
| Cap Style | Ribbed |
| Septa Material | Natural PTFE/white silicone |
| Thread size | 18-400 |
| Cap-top style | Closed top |
| Cap material | Polypropylene |
| Cap colour | White |
| Septum construction | Natural PTFE/white silicone |
| Septum thickness | 1.5 mm |
| Pre-slit | No |
| Pack quantity | 100 caps |
Variant / SKU Guide +
| Cap Colour | Septa Construction | Septa Thickness | SKU |
|---|---|---|---|
| White | Natural PTFE / White Silicone | 1.5 mm | IL-011223-00221 |
Product Overview +
Our white 18-400 screw caps are made from polypropylene and supplied with natural PTFE/white silicone septa. The caps have a closed-top, ribbed design and are intended for bottles or vials with a compatible 18-400 screw-thread neck.
Each septum is 1.5 mm thick and supplied unslit. The caps are sold in packs of 100.
Packs of 100 are available for direct purchase, and larger bulk quantities can also be supplied. Bulk orders allow us to offer better overall value. Request a quotation through our contact form.
Use with compatible 18-400 screw-thread bottles and vials. Check container, cap and septum compatibility before ordering.
Key features
- 18-400 screw-thread closure
- White polypropylene cap
- Closed-top design
- Ribbed cap profile
- Natural PTFE/white silicone septum
- 1.5 mm septum thickness
- Unslit septum
- Pack of 100
Technical specifications
| Product type | Screw cap with septum |
|---|---|
| Thread size | 18-400 |
| Closure type | Screw cap |
| Cap-top style | Closed top |
| Cap style | Ribbed |
| Cap material | Polypropylene |
| Cap colour | White |
| Septum construction | Natural PTFE/white silicone |
| Septum thickness | 1.5 mm |
| Pre-slit | No |
| Pack quantity | 100 caps |
Shipping & Procurement +
UK dispatch on stocked product lines. Suitable for procurement teams, repeat laboratory purchasing, and bulk ordering workflows.
Technical Support +
Contact Icarus Labs for compatibility guidance, bulk orders, or product selection support.